Submission #2561170

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Source Code Expand

#include<iostream>
#include <stdio.h>
#include <string>
#include <string.h>
#include <algorithm>
#include <functional>
#include <vector>

using namespace std;
int main()
{
	long long N = 0;
	long long M = 0;
	long long Ans = 0;

	cin >> N >> M;

	if (N >= 2*M) {
		Ans = M / 2;
	}
	else {
		Ans = N + (M - 2 * N) / 4;
	}

	cout << Ans << endl;

	return 0;
}

Submission Info

Judge Result